main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
"os"
"github.com/inancgumus/learngo/magic"
//
// Use the following one for the panicking library:
// magic "github.com/inancgumus/learngo/magicpanic"
//
)
func main() {
files := []string{
"pngs/cups-jpg.png",
"pngs/forest-jpg.png",
"pngs/golden.png",
"pngs/work.png",
"pngs/shakespeare-text.png",
"pngs/empty.png",
}
args := os.Args[1:]
if len(args) != 1 {
fmt.Println("png or jpg?")
return
}
list(args[0], files)
// fmt.Println("catch me if you can!")
}
func list(format string, files []string) {
valids, err := magic.Detect(format, files)
if err != nil {
fmt.Println(err)
return
}
fmt.Printf("Correct Files:\n")
for _, valid := range valids {
fmt.Printf(" + %s\n", valid)
}
}
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